Patent application number | Description | Published |
20090018700 | APPARATUS AND METHOD FOR ROBOT HANDLING CONTROL - A robot arm is provided with an end effecter for grasping an object and a force sensor for detecting a force acted upon the end effecter. In the state in which end effecter grasps an object, when there is a change in the force acting on the end effecter detected by the force sensor, outputted is a signal for releasing the force of the end effecter grasping the object. The object grasped by the end effecter can be taken out as if the object were handed from person over to person. | 01-15-2009 |
20090105880 | Device and method for controlling robot arm, robot and program - In a robot arm controlling device, a mechanical impedance set value of the arm is set by an object property-concordant impedance setting device based on information of an object property database in which information associated with properties of an object being gripped by the arm is recorded, and a mechanical impedance value of the arm is controlled to the set mechanical impedance set value by an impedance controlling device. | 04-23-2009 |
20090125145 | ROBOT APPARATUS - A working robot arm and an object recognizing unit used for recognizing a moving body such as a person and an animal are prepared, and while an object recognized by the object recognizing unit is blocked by a shielding operation by the use of the robot arm or a trunk portion of a robot mechanism unit, a job is carried out by the working robot arm so that it becomes possible to actively ensure a working space of the robot mechanism unit, and consequently to continue the job safely. | 05-14-2009 |
20090171505 | DEVICE AND METHOD FOR CONTROLLING ROBOT ARM, ROBOT, AND ROBOT ARM CONTROL PROGRAM - A control device ( | 07-02-2009 |
20090173178 | JOINT DRIVING DEVICE - A first elastic body actuator and a second elastic body actuator are used for driving a first configuration member and a second configuration member to swing them with respect to each other. One end portion of the first elastic body actuator is secured to the first configuration member and the other end portion of the first elastic body actuator is secured to the second configuration member, and one end portion of the second elastic body actuator is secured to the first configuration member and the other end portion of the second elastic body actuator is secured to the second configuration member, such that the position at which the other end portion of the second elastic body actuator is secured to the second configuration member and the position at which the one end portion of the first elastic body actuator is secured to the second configuration member are substantially symmetric about a rotational joint. The interval between the portion of the first elastic body actuator, which is secured to the second configuration member, and the portion of the second elastic body actuator, which is secured to the second configuration member, is moved by a securing-position variable mechanism. | 07-09-2009 |
20090324366 | COMPRESSIBLE FLUID PRESSURE ACTUATOR DRIVING MECHANISM AND CONTROL APPARATUS THEREOF - Fluid pressures of a plurality of compressible fluid pressure actuators that drive a joint through antagonistic driving are controlled by a main-fluid pressure control device, and at the time of applying quick brake upon collision, a proximate fluid pressure high-speed control device, disposed closely to the actuators, carries out pressure application or pressure reduction at a high speed on the actuators so as to be quickly accelerated or decelerated. | 12-31-2009 |
20100087955 | APPARATUS AND METHOD FOR CONTROLLING ROBOT ARM, AND ROBOT AND PROGRAM - A control device for a robot arm is designed such that, based on information on a transportation state database in which information on a transportation state of a person operating the arm is recorded, an impedance setting unit sets a mechanical impedance set value of the arm, and an impedance control unit controls a mechanical impedance value of the arm to the mechanical impedance set value thus set. | 04-08-2010 |
20100114371 | ROBOT ARM CONTROL DEVICE AND CONTROL METHOD, ROBOT, AND CONTROL PROGRAM - There is provided a control device for a robot arm which includes an operation procedure information acquisition means for acquiring information on the procedure of a domestic operation, a progress management means for managing information on the progress of the operation, and a control parameter setting means for setting a control parameter for the robot arm based on the operation procedure information and the progress information, whereby the control device controls an operation of the robot arm based on the control parameter from the control parameter setting means. | 05-06-2010 |
20100152896 | ROBOT, CONTROLLING DEVICE AND CONTROLLING METHOD FOR ROBOT, AND CONTROLLING PROGRAM FOR ROBOT-CONTROLLING DEVICE - Based upon a force in a vertical direction exerted between an object and a hand and an angle made by the hand relative to a horizontal face, a transporting force estimation unit estimates a transporting force applied in the vertical direction by a person, and based upon the estimated force, a force controlling operation is carried out so as to set a force in the vertical direction of the robot arm of a robot system to a predetermined force. | 06-17-2010 |
20100207412 | ROBOT HAND AND ROBOT ARM - A force sensor is disposed on a hand attaching base portion, a finger base on which a pair of fingers are placed so as to be opposed to each other is disposed on a measuring unit of the force sensor, a finger driving mechanism base is disposed on the hand attaching base portion in a manner so as not to be made in contact with none of the force sensor, the finger base and the fingers, finger driving mechanisms are disposed on the finger driving mechanism base so that vectors of driving forces, which allow the pair of the opposed fingers to move so as to open or close, are made face to face with each other within a plane on which the pair of the opposed fingers are moved to open or close so as to be cancelled with each other, with the result that the fingers are driven so as to make the resultant force virtually zero, and an actuator, which is positioned at a place other than the hand attaching base portion, the force sensor, the finger base, or the fingers and the finger driving mechanism base, and drives the finger driving mechanism, is also installed. | 08-19-2010 |
20100286826 | CONTROL APPARATUS AND CONTROL METHOD FOR ROBOT ARM, ROBOT, CONTROL PROGRAM FOR ROBOT ARM, AND INTEGRATED ELECTRONIC CIRCUIT FOR CONTROLLING ROBOT ARM - A control apparatus for a robot arm that is provided with an operation information database in which pieces of information relating to operations of the robot arm are stored; a force detection unit that detects a force of a person; and an operation correction unit that corrects the operation information of the operation information database in accordance with the force of the person. | 11-11-2010 |
20110015785 | CONTROL APPARATUS AND CONTROL METHOD FOR ROBOT ARM, ROBOT, CONTROL PROGRAM FOR ROBOT ARM, AND INTEGRATED ELECTRONIC CIRCUIT - After switching a control method for a robot arm based upon characteristic information containing pieces of information relating to a grabbed position of the robot arm by a person and a presence/absence of detection of a force as well as to presence/absence of influences from a drag, during an operation of the robot arm, by a control method switching unit, information relating to the force of operation information is corrected by an operation correcting unit in response to a manipulation of the person. | 01-20-2011 |
20110029133 | ROBOT, AND CONTROL APPARATUS, CONTROL METHOD, AND CONTROL PROGRAM FOR ROBOT - A robot arm provided with a body unit shifting mechanism that connects a base unit and a body unit so as to be relatively shifted, and joint lock mechanisms that are capable of mechanically securing respective joints is disposed on the body unit, and a robot operation control unit controls to switch between a robot arm operation mode in which the robot arm is operated with one of the joints of the robot arm brought into a free state, and a body unit shift mode in which the body unit is shifted with the joint being brought into a locked state. | 02-03-2011 |
20110078508 | CONTROL APPARATUS AND CONTROL METHOD OF ELASTIC BODY ACTUATOR AS WELL AS CONTROL PROGRAM THEREOF - An inner pressure of an actuator is measured by a pressure measuring unit, and an amount of displacement of a movable mechanism is measured so that a position error compensation unit to which a desired value for the displacement and the measured value are inputted is allowed to compensate for a position error, and a desired value for a pressure difference of actuators that are competitively driven from the desired value is calculated by a desired pressure difference calculation unit, and an adjusted correcting value of the desired value for the pressure difference, obtained from the desired value of displacement and the measured value, is adjustably outputted from an adjustable desired inner-state correction unit, and thus, the outputs of these unit are inputted to a pressure difference error compensation unit so that a pressure difference error is compensated therewith. | 03-31-2011 |
20110178638 | CONTROL APPARATUS AND CONTROL METHOD FOR ROBOT ARM, ROBOT, CONTROL PROGRAM FOR ROBOT ARM, AND INTEGRATED ELECTRONIC CIRCUIT FOR CONTROLLING ROBOT ARM - A control apparatus for a robot arm that is provided with an operation information database in which pieces of information relating to operations of the robot arm are stored; a force detection unit that detects a force of a person; and an operation correction unit that corrects the operation information of the operation information database in accordance with the force of the person. | 07-21-2011 |
20110190932 | CONTROL APPARATUS AND CONTROL METHOD FOR ROBOT ARM, ASSEMBLY ROBOT, CONTROL PROGRAM FOR ROBOT ARM, AND CONTROL-PURPOSE INTEGRATED ELECTRONIC CIRCUIT FOR ROBOT ARM - A control apparatus for a robot arm that performs assembly, includes an operation database recording therein information as to an operation of the robot arm, a correction operation type determining unit that determines a correction type for the operation, a force detecting unit that detects a force of a person, and an operation correction unit that corrects an operation in accordance with the force of the person and the correction type, while the robot arm is performing a task. | 08-04-2011 |
20110218676 | ROBOT, CONTROL DEVICE FOR ROBOT ARM AND CONTROL PROGRAM FOR ROBOT ARM - A robot arm, which is driven by an elastic body actuator and has a plurality of joints, is provided with an arm-end supporting member that supports the robot arm when made in contact with a supporting surface that is placed on an arm-end portion of the robot arm and a control unit that controls a force by which the arm-end supporting member and the supporting surface are made in contact with each other, and further controls a position and orientation of the arm-end portion of the robot arm. | 09-08-2011 |
20120010747 | ROBOT, CONTROL DEVICE FOR ROBOT, AND CONTROL METHOD OF ROBOT - A robot is provided with a multi-joint robot arm, an external force detection unit that is installed in the arm, and detects an external force, a joint movable-state calculation unit that calculates a movable state of a joint of the arm, an external force conversion unit which, based on the movable state calculated by the joint movable-state calculation unit, converts the external force detected by the external force detection unit to a converted external force, and a control unit that controls the arm based on the converted external force so as to regulate the operation of the arm. | 01-12-2012 |
20120133318 | CONTROL APPARATUS, CONTROL METHOD, AND CONTROL PROGRAM FOR ELASTIC ACTUATOR DRIVE MECHANISM - An abnormality determination unit that determines whether or not an output measurement unit is abnormal is provided, and whether or not the output measurement unit is abnormal is determined. When the output measurement unit is abnormal, an elastic actuator is controlled based on a desired internal state decision unit and an internal state error compensation unit. Accordingly, it becomes possible to control the elastic actuator to continuously operate to a predetermined position without instantaneously stopping even when the output measurement unit is abnormal. | 05-31-2012 |
20130000480 | CONTROL APPARATUS, CONTROL METHOD, AND CONTROL PROGRAM FOR ELASTIC ACTUATOR DRIVE MECHANISM - There is provided an abnormality determination unit that determines whether or not an output measurement unit is abnormal, in order to determine abnormality of the output measurement unit. When the output measurement unit is abnormal, the operation of an elastic actuator is controlled not in accordance with a measurement result of the output measurement unit but in accordance with an internal state model. | 01-03-2013 |
20130151009 | ROBOT, ROBOT CONTROL APPARATUS, ROBOT CONTROL METHOD, AND ROBOT CONTROL PROGRAM - A robot includes a multi-joint robot arm, an external force acquiring unit arranged at the multi-joint robot arm to acquire an external force, and an impedance control unit that causes the multi-joint robot arm to operate as a virtual spring-mass-damper system based on the external force acquired by the external force acquiring unit. The impedance control unit has an impedance map storage unit that defines impedance parameters at each of points of the work region, and an impedance map variable unit that changes the distribution of the impedance parameters in the impedance map storage unit in accordance with the current arm end position or the current arm end velocity of the multi-joint robot arm. | 06-13-2013 |
20130317647 | CONTROL APPARATUS, CONTROL METHOD, AND CONTROL PROGRAM FOR PNEUMATIC ARTIFICIAL MUSCLE DRIVE MECHANISM - There is provided a control apparatus for a drive mechanism driven by a pneumatic artificial muscle, the control apparatus including a pressure controller that controls pressure of the pneumatic artificial muscle, a desired pressure calculator that calculates, based on a pneumatic artificial muscle model, a desired pressure of the pneumatic artificial muscle in order to control motion of the drive mechanism, a pneumatic artificial muscle model error estimator that estimates aging variation in a contraction percentage error between the pneumatic artificial muscle and the pneumatic artificial muscle model, a pneumatic artificial muscle model updater that updates the pneumatic artificial muscle model so as to reflect the aging variation based on an estimation result of the pneumatic artificial muscle model error estimator, and a lifetime predictor that predicts a lifetime of the pneumatic artificial muscle based on the estimation result of the pneumatic artificial muscle model error estimator. | 11-28-2013 |
20140107843 | ROBOT, ROBOT CONTROL APPARATUS, ROBOT CONTROL METHOD, AND ROBOT CONTROL PROGRAM - Provided are a multi-joint robot arm, a manipulation force acquiring unit that acquires a manipulation force from a person, the manipulation force acquiring unit disposed on the multi-joint robot arm, an external force acquiring unit that acquires an external force to be applied to a gripped object, the external force acquiring unit disposed on the multi-joint robot arm, an impedance controller that performs impedance control on the multi-joint robot arm based on the manipulation force acquired by the manipulation force acquiring unit and a set impedance parameter, and an assist force correcting unit that corrects a force component vertical to the resistance force of an assist force generated by the impedance controller according to the resistance force generated by friction caused by contact between the gripped object and an external environment. | 04-17-2014 |
20140114479 | ROBOT, ROBOT CONTROL DEVICE, ROBOT CONTROL METHOD, AND ROBOT CONTROL PROGRAM - A robot having joints includes a position information acquiring section that acquires time series information about a robot position, speed information, or acceleration information, a dynamics parameter switching section that switches a gravity term component and an inertia force term component of a motion equation separately between dynamics parameters including dynamics parameter of the robot gripping no object and dynamics parameter including the object gripped by the robot which robot arm gripping the object, and a desired torque calculation section that outputs a desired robot joint torque value as a desired joint torque based on the motion equation after the dynamics parameter switching section switches the dynamics parameters and the time series information about the robot position, the speed information, or the acceleration information acquired by the position information acquiring section. The robot controls an operation of the robot based on an output from the desired torque calculation section. | 04-24-2014 |
20150081099 | ROBOT, ROBOT CONTROL APPARATUS, ROBOT CONTROL METHOD, AND ROBOT CONTROL PROGRAM - A robot arm temporarily stops when a contact detector detects contact. A holding motion selecting unit then selects one of continuously stopped motion, directionally limited motion, and directionally unlimited motion in accordance with information including one or both of a distance between the robot arm and a contacted object and force applied to the robot arm by a person. A motion controller causes the selected motion to achieve holding motion. | 03-19-2015 |